Not an SEC registrant

S3I Engineering, LLC

Customers

1 prime contractor

Suppliers

None disclosed

Largest customer

—

No % disclosed

Named-customer revenue

—

No estimate available

Band height is the estimated dollar value: the disclosed share × the discloser's revenue for that period (latest full year where available) or federal dollars obligated. Each side is scaled on its own; dashed outlines are named without a figure. Click a band to open its source.

Federal subcontracts received 1

Prime contractors that subcontracted federal work to this company. From USAspending.gov subaward reports; amounts are as reported by the prime contractor, latest report per subaward, $500K+ a year.

Company	Subawards	Fiscal year	Count	Trend	Largest subaward
Alion Science And Technology Corporation	$10.7M	FY 2024	1		FA807520F0027
MINOTAUR MISSION SYSTEM LABOR AND TRAVEL SUPPORT Prime award FA807520F0027 on USAspending.gov ↗ Subaward P000049125 RELEASE 1: $10.7M · Department of Defense (DOD)

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